101221000111002 has 16 divisors (see below), whose sum is σ = 202442119676640. Its totient is φ = 33740313461232.

The previous prime is 101221000110983. The next prime is 101221000111031. The reversal of 101221000111002 is 200111000122101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9101913 + ... + 16890435.

It is an arithmetic number, because the mean of its divisors is an integer number (12652632479790).

Almost surely, 2^{101221000111002} is an apocalyptic number.

101221000111002 is an abundant number, since it is smaller than the sum of its proper divisors (101221119565638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101221000111002 is a wasteful number, since it uses less digits than its factorization.

101221000111002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9954557.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 101221000111002 its reverse (200111000122101), we get a palindrome (301332000233103).

The spelling of 101221000111002 in words is "one hundred one trillion, two hundred twenty-one billion, one hundred eleven thousand, two".